SelectionSubtreeRoot.h [plain text]
#ifndef SelectionSubtreeRoot_h
#define SelectionSubtreeRoot_h
#include "RenderObject.h"
#include "RenderSelectionInfo.h"
namespace WebCore {
class Document;
class SelectionSubtreeRoot {
public:
typedef HashMap<RenderObject*, std::unique_ptr<RenderSelectionInfo>> SelectedObjectMap;
typedef HashMap<const RenderBlock*, std::unique_ptr<RenderBlockSelectionInfo>> SelectedBlockMap;
struct OldSelectionData {
OldSelectionData()
: selectionStartPos(-1)
, selectionEndPos(-1)
{
}
int selectionStartPos;
int selectionEndPos;
SelectedObjectMap selectedObjects;
SelectedBlockMap selectedBlocks;
};
class SelectionSubtreeData {
public:
SelectionSubtreeData()
: m_selectionStart(nullptr)
, m_selectionStartPos(-1)
, m_selectionEnd(nullptr)
, m_selectionEndPos(-1)
{
}
SelectionSubtreeData(RenderObject* selectionStart, int selectionStartPos, RenderObject* selectionEnd, int selectionEndPos)
: m_selectionStart(selectionStart)
, m_selectionStartPos(selectionStartPos)
, m_selectionEnd(selectionEnd)
, m_selectionEndPos(selectionEndPos)
{
}
RenderObject* selectionStart() const { return m_selectionStart; }
int selectionStartPos() const { return m_selectionStartPos; }
RenderObject* selectionEnd() const { return m_selectionEnd; }
int selectionEndPos() const { return m_selectionEndPos; }
bool selectionClear() const
{
return !m_selectionStart
&& (m_selectionStartPos == -1)
&& !m_selectionEnd
&& (m_selectionEndPos == -1);
}
void selectionStartEndPositions(int& startPos, int& endPos) const
{
startPos = m_selectionStartPos;
endPos = m_selectionEndPos;
}
void setSelectionStart(RenderObject* selectionStart) { m_selectionStart = selectionStart; }
void setSelectionStartPos(int selectionStartPos) { m_selectionStartPos = selectionStartPos; }
void setSelectionEnd(RenderObject* selectionEnd) { m_selectionEnd = selectionEnd; }
void setSelectionEndPos(int selectionEndPos) { m_selectionEndPos = selectionEndPos; }
void clearSelection()
{
m_selectionStart = nullptr;
m_selectionStartPos = -1;
m_selectionEnd = nullptr;
m_selectionEndPos = -1;
}
private:
RenderObject* m_selectionStart;
int m_selectionStartPos;
RenderObject* m_selectionEnd;
int m_selectionEndPos;
};
typedef HashMap<SelectionSubtreeRoot*, SelectionSubtreeData> RenderSubtreesMap;
typedef HashMap<const SelectionSubtreeRoot*, std::unique_ptr<OldSelectionData>> SubtreeOldSelectionDataMap;
SelectionSubtreeRoot();
SelectionSubtreeRoot(RenderObject* selectionStart, int selectionStartPos, RenderObject* selectionEnd, int selectionEndPos);
SelectionSubtreeData& selectionData() { return m_selectionSubtreeData; }
const SelectionSubtreeData& selectionData() const { return m_selectionSubtreeData; }
void setSelectionData(const SelectionSubtreeData& selectionSubtreeData) { m_selectionSubtreeData = selectionSubtreeData; }
void adjustForVisibleSelection(Document&);
private:
SelectionSubtreeData m_selectionSubtreeData;
};
}
#endif // SelectionSubtreeRoot_h